8:00pm
Overview
There is a low pressure system that is continuing to move through the NE U.S. with a cold front stretched South along the Atlantic coastline. This front is bringing rain and some snow to affected areas. A short-wave (area of low pressure) is over the Southern Plains and continuing to move SE, into East Texas and the lower- Mississippi River Valley. A ridge of high pressure is extended over the Dakotas with a weak trough moving through, bringing a few passing flurries through our state.
There is a low pressure system that is continuing to move through the NE U.S. with a cold front stretched South along the Atlantic coastline. This front is bringing rain and some snow to affected areas. A short-wave (area of low pressure) is over the Southern Plains and continuing to move SE, into East Texas and the lower- Mississippi River Valley. A ridge of high pressure is extended over the Dakotas with a weak trough moving through, bringing a few passing flurries through our state.
Discussion
As a departing short-wave, low pressure system moves out of the Northern Plains and over the Great Lakes Region, followed by a ridge of high pressure moving across the region. This high will set up an environment that will lead to a relatively quiet start to our weekend. By Sunday, our weather pattern will become more active as a series of low pressure systems develop and move through the region. At this point, high accumulations do not look to be an issue. Nevertheless, there are 3 different systems that will affect the Dakotas throughout our 7day planner. The ridge of high pressure that is set up to our South & SW will move across the plains Friday. Meanwhile, an area of low pressure will begin to develop over the Northern Plains. Saturday a warm front will pass over our area bringing variable winds, warmer temps and a chance for flurries/mix, during the morning hours. Temps will climb well into the upper 20s & lower 30s through the weekend. By Sunday we could see more snow/flurries as a cold front moves through the Dakotas. This cold front will not affect temps much and conditions will be slightly above the seasonable norm (BIS avg. 5/25). According to the latest model runs (our in-house model_RPM), new snowfall accumulations by the beginning of the work could run up to 1"- 2" for parts of the area. With this weaker system not everyone should see that much. I will nail down some numbers tomorrow for this system, Sat & Sun. As of right now, this specific model is an outlier and could be over shooting this event. Nevertheless, there is a chance. Monday night and Tuesday, a secondary (weak) short-wave low pressure system should develop over the Northern Plains. This second system will not yield much, other than some clouds and a few passing flurries. By Wednesday & Thursday, long-range models are hinting at a 3rd low pressure system and front that will develop on the lee side of the Rockies and move over our area. It is way too soon to begin putting numbers to this third system. Nevertheless it could affect some Christmas travel plans. The 2 systems next week are in the extended planner and still could possibly change through the weekend as more model runs pick up on the weather pattern.
As a departing short-wave, low pressure system moves out of the Northern Plains and over the Great Lakes Region, followed by a ridge of high pressure moving across the region. This high will set up an environment that will lead to a relatively quiet start to our weekend. By Sunday, our weather pattern will become more active as a series of low pressure systems develop and move through the region. At this point, high accumulations do not look to be an issue. Nevertheless, there are 3 different systems that will affect the Dakotas throughout our 7day planner. The ridge of high pressure that is set up to our South & SW will move across the plains Friday. Meanwhile, an area of low pressure will begin to develop over the Northern Plains. Saturday a warm front will pass over our area bringing variable winds, warmer temps and a chance for flurries/mix, during the morning hours. Temps will climb well into the upper 20s & lower 30s through the weekend. By Sunday we could see more snow/flurries as a cold front moves through the Dakotas. This cold front will not affect temps much and conditions will be slightly above the seasonable norm (BIS avg. 5/25). According to the latest model runs (our in-house model_RPM), new snowfall accumulations by the beginning of the work could run up to 1"- 2" for parts of the area. With this weaker system not everyone should see that much. I will nail down some numbers tomorrow for this system, Sat & Sun. As of right now, this specific model is an outlier and could be over shooting this event. Nevertheless, there is a chance. Monday night and Tuesday, a secondary (weak) short-wave low pressure system should develop over the Northern Plains. This second system will not yield much, other than some clouds and a few passing flurries. By Wednesday & Thursday, long-range models are hinting at a 3rd low pressure system and front that will develop on the lee side of the Rockies and move over our area. It is way too soon to begin putting numbers to this third system. Nevertheless it could affect some Christmas travel plans. The 2 systems next week are in the extended planner and still could possibly change through the weekend as more model runs pick up on the weather pattern.
Through the rest of tonight & Friday
Overnight expect a few passing flurries with partly to mostly cloudy skies. Temperatures will fall well into the single digits with a light to moderate wind out of the WNW. Chills will fall below zero and even into the negative teens by tomorrow morning. We will start our Friday off with cold temps continued light to moderate winds and gradually clearing skies. Highs tomorrow will remain seasonably cold with chills in the single digits through the day under a sun/cloud mix.
Overnight expect a few passing flurries with partly to mostly cloudy skies. Temperatures will fall well into the single digits with a light to moderate wind out of the WNW. Chills will fall below zero and even into the negative teens by tomorrow morning. We will start our Friday off with cold temps continued light to moderate winds and gradually clearing skies. Highs tomorrow will remain seasonably cold with chills in the single digits through the day under a sun/cloud mix.
7day planner
A ridge of high pressure will move through the area to wrap up our work week. This weekend, we will be in the warm sector of a passing low pressure system. We will see a few flurries/mix Saturday & Sunday. However this system will yield little to no accumulation. A second, weak system will move through the area at the start of next week. This secondary system will also not add much, if any, accumulation to our current snow-pack. Toward the end of our 7day planner a possible third system could move through the area and may affect travel plans.
A ridge of high pressure will move through the area to wrap up our work week. This weekend, we will be in the warm sector of a passing low pressure system. We will see a few flurries/mix Saturday & Sunday. However this system will yield little to no accumulation. A second, weak system will move through the area at the start of next week. This secondary system will also not add much, if any, accumulation to our current snow-pack. Toward the end of our 7day planner a possible third system could move through the area and may affect travel plans.
TONIGHT...Fair to partly cloudy skies and cold with a few passing flurries possible. Lows -2 to 6. West/NW wind 5-15mph. 20% chance for snow. Chills below zero & in the negative teens.
FRIDAY...Plenty of sunshine with in & out clouds and chilly temps. Highs 12-19. NW/SW wind 5-15mph. 5 to -10
FRIDAY NIGHT...Partly to mostly cloudy skies and cold. Lows -2 to 5. SW/South wind 2-10mph. Chills below zero and in the -teens.
SATURDAY... Partly to mostly cloudy skies with continued increasing cover and a few isolated flurries/mix. Highs 24-31. South/SE wind 5-15mph.Chills in the teens.
SATURDAY NIGHT...Mostly cloudy skies and cold. Lows 10-18. Light & Variable winds Chills in the single digits.
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